Wall slab



F. ZELKO Nov. 6, 1923.

WALL SLAB Filed Aug. 10 1922 426 I 15 um-U @1301 web Patent ov. 6, n;

ear. s.

Application filed June 14, 1922. Serial No. 568,181.

Toallwkomtmayconcem: I Be it known that FRANK 211110, a citize of the United States of America, residing for examp at Joliet, in the county of Will and State of Illinois, has invented new and useful Improvements in Wall Slabs, of which the following is a specification.

The object of the invention is to provide a sheathing or wall slab for use as a surfacing means for the exteriorwalls of buildings particularly when the original sheathing has become ineffective to exclude air and moisture, and which ma be applied either to the studding direct y 'or to the exterior surface of the weather boarding or other wall covering through which securing means may be driven for securing an anchorage to the frame work or studding of the building 5 and with this object in view the inventioin consists in a construction and combination of parts of which a preferred embodiment is shown in the accompanying drawings, wherein Fi ire 1 is a side view of a portion of a buil mg wall provided with a sheathingconsisting of slabs constructed in accordance with the invention.

Figure 2 is a detail view of one of the slabs.

Figure 3 is a similar view showing the reverse side thereof. Figure 4 is a, transverse sectional view on the plane indicated by the line 4-4 of Fi .ure 1.

he slab is provided with a body portion 10 of molded cement and sand or the equivalent thereof having the characteristics of the ordinary building blocks and a thicknesssuit able for application to the exterior surface of a building without producing a clumsy or awkward appearance. For example the slab may be of a thickness of an inch or an inch and an ei hth or more or less, an area of la 8x16 inches. At its u per edge or at one side edge it is provided with attaching ears 11 and 12 andat its lower edge with anchoring ears13 extending respectively beyond said opposite side edges or said upper and lower edges, with the outer faces of the anchoring ears flush with the rear surface of the slab bod the rear surfaces of the attachi with the rear surface of theslah and with earsfiush dy. The

ture.

terminal attaching ears 11 are preferably arranged near the and edges of the slab, and as indicated in the drawing the anchoring ears 13 may be formed as parts of the same strips 14 as the said attaching ears, said strips being embedded in and thus securely incorporated with the body of the slab, but with the. anchoring cars 13 spaced at a shorter interval or closer together than the attaching ears 11 so that the anchoring ears of one slab are adapted to pass behind the upper edge of the slab in the next lower series or course between the attaching ears thereof or as indicated in Figure 1 the slab in an upper course may be arranged in breakjoint relation with adjoining slabs in the next lower course with the anchoring ears of the former disposed on opposite sides of the attaching ears of the adjoining slabs in the lower course and with the intermediate attaching ear 12 of the first-named slab in position for attachment to the studding 15. The attaching ears are adapted to be secured either to the weather boarding if the sheath- I ing is placed thereover, or directly to the studding or'framework of the building, or,

attaching means, such as nails or the equivalents thereof may be driven entirely through the weather boarding and into the studding, this obviously being the preferable course, With the anchoring ears of each course interlocked with the upper edges of the slabs in the next lower course so that each slab requires fastening only at its upper edge to afltflrd a weather excluding protection for the we r i 7 Having described the invention, what is claimed as new and useful is z 1 A sheathing slab havin a body portion of cement, and strips carrie by the body portion and disposedin downwardly divergent relation, said strips being embedded in the body portion and terminally projecting beyond theupper and lower edges to provide, respectivel attaching and anchoring means of which the former have their rear faces flush with the rear face of the slab and the latter have their front faces rear face of the slab.

In testimony flush with the FRANK ZEL whereof he afiixes his sigma- 

